/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * This file is part of retabel.
 *
 * Copyright (c) 2011 by individual contributors as indicated by the
 * @author tags. See the copyright.txt file in the distribution
 * for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.retabel.service.manager;

import org.retabel.persistence.dao.failover.FailureObjectDao;
import org.retabel.persistence.entity.failover.FailureObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.ejb.EJB;
import javax.ejb.Stateless;
import javax.ejb.TransactionAttribute;
import javax.ejb.TransactionAttributeType;
import java.util.List;

/**
 * Service implementation for managing failure objects
 * <p/>
 * <h3>Extra-Info</h3>
 * Created: 18:52 01.07.11
 *
 * @author Peter Herber
 * @version 1.0
 */
@Stateless
public class FailureObjectManagerBean implements FailureObjectManager {

    /** The Logger. */
    private static final Logger logger = LoggerFactory.getLogger(FailureObjectManagerBean.class);

    /** Dao to access the config sets. */
    @EJB
    private FailureObjectDao failureObjectDao;

    @Override
    @TransactionAttribute(TransactionAttributeType.REQUIRED)
    public FailureObject[] findRange(int from, int maxResults) {
        List<FailureObject> result = failureObjectDao.findRange(from, maxResults);

        return result.toArray(new FailureObject[result.size()]);
    }

    @Override
    @TransactionAttribute(TransactionAttributeType.REQUIRED)
    public FailureObject findById(int id) {
        return failureObjectDao.find(id);
    }

    @Override
    @TransactionAttribute(TransactionAttributeType.REQUIRED)
    public int count() {
        return failureObjectDao.count();
    }

    @Override
    @TransactionAttribute(TransactionAttributeType.REQUIRED)
    public void remove(int id) {
        FailureObject failureObject = failureObjectDao.find(id);

        if (failureObject != null) {
            failureObjectDao.remove(failureObject);
        }
    }

}
